Serre Class and the Direct Sums of Modules

• Autores: Mohammad Saleh
• Localización: Houston journal of mathematics, ISSN 0362-1588, Vol. 31, Nº 3, 2005, págs. 707-720
• Idioma: inglés
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• Resumen

  • Abstract. The purpose of this paper is to further the study of weakly injective and weakly tight modules a generalization of injective modules.

    For a Serre class K of modules, we study when direct sums of modules from K satisfies a property IP in K. In particular, we get characterization of locally q.f.d. modules in terms of weak tightness.